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$522+ Cheap flights from Trieste (TRS) to Chicago (CHI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
TRS — CHI
Sep 2 — Sep 91
Tue 9/2
Tue 9/9
1 adult, Economy
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Cheap flight deals from Trieste to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Trieste (TRS) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 28, 2025.

Round-trip from

$560
(lol.travel)

One-way from

$522
(Kiwi.com)
From Trieste Ronchi dei Legionari to Chicago (CHI)
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One-way flight from Trieste Ronchi dei Legionari to Chicago (CHI)
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Find flight deals from Trieste to Chicago

Cheapest flights from Trieste to Chicago
Explore the most affordable flight options available from Trieste to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 28, 2025.

This lol.travel deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/112:45 pmTRS - ORD
1 stop12h 10mMultiple Airlines
Mon 9/1510:30 pmORD - TRS
1 stop16h 55mMultiple Airlines
Deal found 8/27$560
This lol.travel deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1111:15 amTRS - ORD
1 stop32h 55mITA Airways
Mon 9/153:00 pmORD - TRS
1 stop16h 30mITA Airways
Deal found 8/27$587
This Lufthansa deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/126:30 amTRS - ORD
1 stop15h 25mLufthansa
Sat 10/116:35 pmORD - TRS
1 stop20h 50mLufthansa
Deal found 8/27$592
This Lufthansa deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/202:50 pmTRS - ORD
1 stop12h 15mLufthansa
Mon 11/244:20 pmORD - TRS
1 stop14h 40mLufthansa
Deal found 8/27$597
This ITA Airways deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:35 amTRS - ORD
1 stop13h 35mITA Airways
Mon 9/223:00 pmORD - TRS
1 stop12h 25mITA Airways
Deal found 8/28$625
This ITA Airways deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/206:35 amTRS - ORD
1 stop13h 35mITA Airways
Sun 9/283:00 pmORD - TRS
1 stop16h 30mITA Airways
Deal found 8/27$626
This ITA Airways deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/117:55 amTRS - ORD
2 stops36h 15mITA Airways
Mon 9/223:00 pmORD - TRS
1 stop12h 25mITA Airways
Deal found 8/28$647

Cheapflights Fare Finder

 
Customize your flight search to find flights from Trieste to Chicago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 28, 2025.
Use the filters below to find and compare flights from Trieste to Chicago that are best for you.

Fly from

Trieste

Fly to

Chicago

Route

Depart

Return

Price

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Thu 9/11

2:45 pm-7:55 pm

1 stop12h 10m

Chicago O'Hare Intl

Mon 9/15

10:30 pm-10:25 pm

1 stop16h 55m

$560

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Thu 9/11

11:15 am-1:10 pm

1 stop32h 55m

Chicago O'Hare Intl

Mon 9/15

3:00 pm-2:30 pm

1 stop16h 30m

$587

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Fri 9/12

6:30 am-2:55 pm

1 stop15h 25m

Chicago O'Hare Intl

Sat 10/11

6:35 pm-10:25 pm

1 stop20h 50m

$592

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Thu 11/20

2:50 pm-8:05 pm

1 stop12h 15m

Chicago O'Hare Intl

Mon 11/24

4:20 pm-2:00 pm

1 stop14h 40m

$597

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Tue 9/16

7:15 pm-1:10 pm

1 stop24h 55m

Chicago O'Hare Intl

Sat 9/27

3:00 pm-10:25 am

1 stop12h 25m

$625

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Sun 9/14

7:15 pm-1:10 pm

1 stop24h 55m

Chicago O'Hare Intl

Mon 9/22

3:00 pm-6:30 pm

1 stop20h 30m

$625

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Sun 9/14

7:15 pm-1:10 pm

1 stop24h 55m

Chicago O'Hare Intl

Sat 9/27

3:00 pm-10:55 pm

1 stop24h 55m

$625

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Sun 9/21

10:50 pm-4:12 pm

3 stops48h 22m

$522

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Sun 9/21

6:35 am-1:10 pm

1 stop13h 35m

$679

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/28

Best time to book a flight from Trieste to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Trieste with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Trieste to Chicago

What is the cheapest month to book a flight from Trieste to Chicago?

Currently, August is the cheapest month in which you can book a flight from Trieste to Chicago (average of $245). Flying from Trieste to Chicago in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Trieste to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Trieste to Chicago?

    For a flight from Trieste to Chicago, you will be flying from Ronchi dei Legionari. Trieste Ronchi dei Legionari (TRS) is just 18.2 mi from the center of the city. Ronchi dei Legionari is the only Trieste airport and it handles 0 outbound flights to Chicago per day. 0 airlines have flights to Chicago from Trieste Ronchi dei Legionari on a regular basis.

  • How long is the flight from Trieste to Chicago?

    ITA Airways and Lufthansa can get you from Trieste to Chicago in just under 15h 25m. Your travel time can differ by up to 17h 30m. The distance between Trieste and Chicago is about 4683 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Trieste to Chicago that include hotel bookings?

    Yes. In addition to deals on Trieste to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Trieste to Chicago?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Trieste to Chicago.

  • Can I find deals for business class flights from Trieste to Chicago?

    Yes. Cheapflights offers flight deals from Trieste to Chicago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Trieste to Chicago?

    Currently, August is the cheapest month in which you can book a flight from Trieste to Chicago (average of $245). Flying from Trieste to Chicago in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chicago?

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